Over two months, contributed to projects including sveltejs/svelte, Stirling-Tools/Stirling-PDF, erxes/erxes, and infiniflow/ragflow, focusing on both feature development and bug resolution. Improved animation event timing in Svelte by refining event callbacks and edge-case handling using JavaScript and Svelte’s animation APIs. Enhanced OpenAPI documentation in jan by dynamically generating server URLs and adding robust fallback logic in Rust. In Stirling-PDF, addressed API stability and introduced configurable file upload limits with Java and Spring MVC. Modernized code in erxes with updated JavaScript patterns, and strengthened SSL/TLS configuration and metadata management in ragflow, emphasizing reliability, maintainability, and deployment flexibility.